I'm having problems with 1 wow window crashing (as opposed to system lockup) but I made the mistake of changing 3 things at the same time : new graphic card, new ssd, new graphic driver (the latest on nvidia's site as of last week) and it was wow 4.3 patch day... that's with isboxer... I'm kinda wondering if the graphic card memory maybe has some issue - is there some program that would test the gpu memory's ?
(the card has 2gb and I suspect it works fine with games like batman but many wow take more texture etc... memory and maybe trigger something ?)

that or a bug in nvidia's driver or wow 4.3 - but if that was that there would be more reports from people here ?